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An internal EBCM malfunction exists. Action Taken When the DTC Sets One or more of the following actions may occur: The antilock brake system (ABS) and vehicle stability enhancement system (VSES) are TCS is degraded. The ABS/TCS indicators turn ON. The red BRAKE Warning indicator turns ON. Conditions for Clearing the DTC The condition for the DTC is no longer present. The EBCM automatically clears the history DTC when a current DTC is not detected in 100 Reference Information Schematic Reference Antilock Brake System Schematics Connector End View Reference Component Connector End Views Description and Operation ABS Description and Operation (With JL4) or ABS Description and Operation (Without Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference
2008 Chevrolet Silverado 1500 2008 BRAKES Antilock Brake System - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Control Module References for Scan Tool Information Circuit/System Verification 1. Verify that DTC C0550 is not set. If the DTC is set, clear the DTC with a scan tool, and operate the vehicle within the Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Control Module References for EBCM replacement, setup, and programming DTC C0561 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptor DTC C0561 71 System Disabled Information Stored Invalid Serial Data Received DTC C0561 72 System Disabled Information Stored Alive Counter Incorrect or not Updated DTC C0561 74 System Disabled Information Stored Value of Signal Protection Calculation Incorrect Circuit/System Description The electronic brake control module (EBCM) receives messages from other modules over Conditions for Running the DTC
2008 Chevrolet Silverado 1500 2008 BRAKES Antilock Brake System - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
The ignition switch is in the ON position. Ignition voltage is greater than 9.5 volts. Conditions for Setting the DTC The EBCM receives an invalid message from another module over GMLAN which causes EBCM Action Taken When the DTC Sets One or more of the following actions may occur: The EBCM disables the ABS/TCS/VSES for the duration of the ignition cycle. The dynamic rear proportioning (DRP) may be disabled and the Brake Warning indicator The Stability Caution indicator turns ON. The driver information center (DIC) displays the SERVICE STAB SYS message. The DIC displays the TRACTION FAILED message. Conditions for Clearing the DTC The condition for the DTC is no longer present. The EBCM automatically clears the history DTC when a current DTC is not detected in 100 Reference Information Schematic Reference Antilock Brake System Schematics Connector End View Reference Component Connector End Views Description and Operation ABS Description and Operation (With JL4) or ABS Description and Operation (Without Electrical Information Reference
2008 Chevrolet Silverado 1500 2008 BRAKES Antilock Brake System - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References for Scan Tool Information Circuit/System Verification 1. Perform the Diagnostic System Check Vehicle. Diagnose any other DTCs before attempting to diagnosis of C0561. 2. With a Tech 2, view the Invalid Signal Data Display. 3. If no invalid signal are present, view Signal Fault Data in the Enhanced DTC Data. 4. Refer to appropriate module for diagnosing the invalid message data. 5. Do not replace the EBCM due to this DTC fault. Repair Verification Perform the Diagnostic Repair Verification after completing the diagnostic procedure. DTC C0569 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptor DTC C0569 00 System Configuration Error Circuit/System Description The electronic brake module (EBCM) receives a GMLAN message from each of the network
2008 Chevrolet Silverado 1500 2008 BRAKES Antilock Brake System - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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